Bio Diversity

Question 1 of 15

1. Question

Isolation,purification and crystallization of tobacco mosaic virus was contributed by :

D.Ivanowski
C .Chambe land
W.M.Stanely
D’Herelle

Question 2 of 15

2. Question

Which is not the characteristic of viruses

They get destroyed by UV rays
They lack cellular structure
They can be crystallized and stored
They can respire and behave as inert infectiious particles

Question 3 of 15

3. Question

Shape of Tobacco mosaic virus is

Round shaped
Rod shaped
Square shaped
None of these

Question 4 of 15

4. Question

Polio is caused by :

Paramyxovirus
Poxvirus
Picorna virus
Adenovirus

Question 5 of 15

5. Question

After 25 minutes of initial infection, how many bacteriophages are formed

250
220
200
150

Question 6 of 15

6. Question

Serum hepatitis is another name of :

Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis D

Question 7 of 15

7. Question

Function of protease enzyme (which is present in HIV ) is :

Conversion of RNA genome into viral DNA
Incorporation of viral DNA into host DNA
Breakage of large proteins units into small protein units
None of these

Question 8 of 15

8. Question

The bacteriophage replicates only inside the :

Animal cell
Bacterial cell
Fungal cell
Both A and B

Question 9 of 15

9. Question

A virion is a

Virus
Capsid
Viral lysozyme
Viral gene

Question 10 of 15

10. Question

Capsid is made of subunits known as capsomere are ………….. in nature

Lipid
RNA
Protein
DNA

Question 11 of 15

11. Question

Genome of viruses is composed of :

DNA
RNA
DNA and RNA
Protein Only

Question 12 of 15

12. Question

Cilia and flagella are absent in :

Bacteria
Plants
Virus
Animals

Question 13 of 15

13. Question

HIV is classified as

Reovirus
Retrovirus
Oncovirus
All of these

Question 14 of 15

14. Question

Volume of bacteriophage is about…………. times Of host

44936
1/100
1/1000
1/10000

Question 15 of 15

15. Question

Viruses can survive and reproduce in only

Animal cell
Bacterial cell
Living cell
Non living cell

Quiz-summary

Information

Results

Categories